The identical outer dimensions of the square capsules allow coins of different sizes to be stored in a single collectors system. Square coin capsules made from high-quality, scratch-resistant plastic. Secure yet easy-to-open locking.Capsules incl. precise-fit black insert for all the most common coins with a 14 – 41 mm diameter. Capsule and inserts chemically inert and free of PVC, acids or softeners. Capsules available in mm increments. Price per pack of 10.